/* ================================================================
   PDI · AI 能力矩阵  —  样式表
   配色取自品牌 Logo：青蓝主色 / 亮青蓝强调 / 活力橙点缀 / 浅灰背景
   ================================================================ */

:root {
  --brand-primary: #0c5a8a;   /* Logo 深蓝：导航栏、标题 */
  --brand-primary-2: #0f6ba6; /* 渐变深 */
  --brand-accent: #3a9edb;    /* Logo 亮蓝：筛选激活、按钮、链接高亮 */
  --brand-accent-d: #0c5a8a;  /* 强调色深色 */
  --brand-gold: #F26522;      /* 品牌点缀橙（收敛，仅小面积强调/警告） */
  --brand-red: #e23a3a;       /* Logo R 标识红（品牌强调） */
  --bg-page: #F5F7FA;         /* 页面背景 */
  --white: #ffffff;
  --ink: #1f2937;
  --ink-2: #4b5563;
  --ink-3: #9ca3af;
  --line: #e5e7eb;
  --line-2: #f0f3f7;
  --chip-bg: #f0f4f8;
  --shadow-sm: 0 1px 2px rgba(12,90,138,.06), 0 2px 8px rgba(12,90,138,.05);
  --shadow-md: 0 6px 18px rgba(12,90,138,.10), 0 2px 6px rgba(12,90,138,.06);
  --shadow-lg: 0 24px 60px rgba(12,90,138,.22);
  --radius: 14px;
  --radius-sm: 10px;
  --maxw: 1440px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

button { font-family: inherit; cursor: pointer; }

/* ============ 顶部导航 ============ */
.topbar {
  background: var(--brand-primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 40;
  box-shadow: 0 2px 10px rgba(10,92,122,.18);
}
.topbar__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: baseline; gap: 14px; }
.brand__name {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 1.5px;
  color: #fff;
}
.brand__name--sub { color: #fff; }
.brand__name--accent { color: #fff; }
.brand__sub {
  color: var(--brand-gold);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .3px;
  white-space: nowrap;
}
.brand__count {
  margin-left: 5px;
  font-size: 15px;
  font-weight: 700;
  color: var(--brand-gold);
  white-space: nowrap;
}
.topbar__right { display: flex; align-items: center; gap: 16px; }
.lang-btn {
  border: 1px solid rgba(255,255,255,.35);
  background: rgba(255,255,255,.08);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  letter-spacing: .5px;
  transition: all .16s var(--ease);
}
.lang-btn:hover {
  background: var(--brand-accent);
  border-color: var(--brand-accent);
}

/* ============ 搜索长条区 ============ */
.search-band {
  position: relative;
  background:
    radial-gradient(1100px 360px at 10% -40%, rgba(58,158,219,.30), transparent 62%),
    radial-gradient(900px 340px at 95% -25%, rgba(12,90,138,.55), transparent 58%),
    linear-gradient(135deg, var(--brand-primary), var(--brand-primary-2));
  color: #fff;
  padding: 44px 0 40px;
  overflow: hidden;
}
/* 抽象科技网格背景（作为动态特效的补充底纹） */
.search-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(circle at 50% 40%, #000 22%, transparent 80%);
  mask-image: radial-gradient(circle at 50% 40%, #000 22%, transparent 80%);
  pointer-events: none;
}
/* 动态 Canvas 粒子网络背景 */
.search-band__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
.search-band__inner { position: relative; z-index: 2; }
.search-band::after {
  content: "";
  position: absolute;
  width: 520px; height: 520px;
  right: -120px; top: -180px;
  background: radial-gradient(circle, rgba(58,158,219,.32), transparent 65%);
  filter: blur(10px);
  pointer-events: none;
}
.search-band__inner { position: relative; z-index: 1; }
.search-band__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
  text-align: center;
}
.search-band__title {
  margin: 0 0 8px;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: .5px;
}
.search-band__sub {
  margin: 0 auto 26px;
  max-width: 640px;
  font-size: 14px;
  color: rgba(255,255,255,.72);
}
.searchbar {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(10,92,122,.28);
  border: 2px solid transparent;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.searchbar:focus-within {
  border-color: var(--brand-accent);
  box-shadow: 0 12px 36px rgba(58,158,219,.35);
}
.searchbar__icon {
  width: 22px; height: 22px;
  margin-left: 22px;
  color: var(--brand-accent);
  flex: none;
}
.searchbar__input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 16px;
  color: var(--ink);
  padding: 17px 14px;
}
.searchbar__input::placeholder { color: #9aa6b8; }
.searchbar__clear {
  border: 0; background: transparent;
  width: 30px; height: 30px;
  margin-right: 10px;
  border-radius: 50%;
  color: #8a97ac;
  display: grid; place-items: center;
  transition: background .15s, color .15s;
}
.searchbar__clear svg { width: 16px; height: 16px; }
.searchbar__clear:hover { background: #eef2f8; color: var(--ink); }
.searchbar__btn {
  flex: none;
  margin-right: 8px;
  border: 0;
  background: var(--brand-accent);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .3px;
  padding: 11px 22px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: background .15s var(--ease), transform .1s var(--ease);
}
.searchbar__btn:hover { background: var(--brand-primary-2); }
.searchbar__btn:active { transform: translateY(1px); }
.searchbar__btn svg { width: 16px; height: 16px; }

/* ============ 主体布局 ============ */
.layout {
  max-width: var(--maxw);
  margin: 14px auto 0;
  padding: 0 28px 30px;
}

/* ============ 点选式筛选区（行业 + 场景 双维度） ============ */
.filters {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 20px 24px;
  border: 1px solid var(--line-2);
  margin-bottom: 20px;
}
.filters__row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 0;
  min-height: 40px;
  border-bottom: 1px solid var(--line-2);
}
.filters__row:last-of-type { border-bottom: 0; }
.filters__label {
  flex: none;
  width: 96px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}
.filters__label::before {
  content: "";
  width: 3px; height: 14px;
  background: var(--brand-accent);
  border-radius: 2px;
}
.chips { display: flex; flex-wrap: wrap; gap: 8px 10px; flex: 1; align-items: center; }
.chip {
  border: 0;
  background: transparent;
  color: var(--ink-2);
  font-size: 14px;
  padding: 5px 14px;
  border-radius: 6px;
  transition: all .16s var(--ease);
  user-select: none;
  line-height: 1.4;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  max-width: 100%;
}
.chip:hover {
  color: var(--brand-accent);
  background: rgba(58,158,219,.07);
}
.chip.is-active {
  background: transparent;
  color: var(--brand-accent);
  font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--brand-accent);
}
.chip.is-active:hover { color: var(--brand-accent); background: rgba(58,158,219,.07); }

.btn-reset {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-2);
  font-size: 13px;
  padding: 7px 12px;
  border-radius: 999px;
  transition: all .16s var(--ease);
}
.btn-reset svg { width: 14px; height: 14px; }
.btn-reset:hover {
  border-color: var(--brand-gold);
  color: var(--brand-gold);
  background: rgba(242,101,34,.07);
}
.btn-reset.is-disabled {
  opacity: .4;
  pointer-events: none;
}

/* ============ 结果栏 ============ */
.results { min-width: 0; }
.results__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  background: var(--white);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 11px 18px;
  margin-bottom: 16px;
}
.results__meta { font-size: 14px; color: var(--ink-2); }
.results__meta strong { color: var(--brand-primary); font-size: 16px; }
.results__range { color: var(--ink-3); margin-left: 6px; font-size: 13px; }
.page-size { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-2); margin-left: auto; }
.page-size select {
  font: inherit;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 4px 8px;
  cursor: pointer;
}
.page-size select:focus { outline: 2px solid var(--brand-primary); outline-offset: 1px; }
.added-tags { flex: 1; display: flex; flex-wrap: wrap; gap: 8px; }
.tag-rm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #eaf2fd;
  border: 1px solid #cfe0f7;
  color: var(--brand-accent-d);
  font-size: 12.5px;
  padding: 5px 10px;
  border-radius: 999px;
  animation: pop .18s var(--ease);
}
.tag-rm b { font-weight: 600; }
.tag-rm button {
  border: 0; background: transparent; color: var(--brand-accent-d);
  display: grid; place-items: center; padding: 0; width: 14px; height: 14px;
}
.tag-rm button svg { width: 12px; height: 12px; }
.tag-rm:hover { background: #dcebfb; }

/* ============ 卡片网格 ============ */
.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.card {
  background: var(--white);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s;
  display: flex;
  flex-direction: column;
  animation: cardIn .4s var(--ease) both;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card::after {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--brand-accent), var(--brand-gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #d6e2f3;
}
.card:hover::after { transform: scaleX(1); }
.card__cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--brand-primary);
}
.card__cover .cover__svg {
  width: 100%; height: 100%;
  display: block;
  transition: transform .35s var(--ease);
}
.card__cover .cover__img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s var(--ease);
}
.card:hover .card__cover .cover__svg,
.card:hover .card__cover .cover__img { transform: scale(1.06); }
.card__cover-type {
  position: absolute;
  right: 10px;
  bottom: 10px;
  z-index: 2;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .3px;
  color: #fff;
  background: rgba(10, 74, 97, .82);
  border: 1px solid rgba(255, 255, 255, .35);
  padding: 3px 9px;
  border-radius: 999px;
  backdrop-filter: blur(2px);
}
.card__body { padding: 15px 16px 14px; display: flex; flex-direction: column; flex: 1; }
.card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.card__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--brand-primary);
  margin: 0;
  line-height: 1.35;
}
.card__desc {
  font-size: 13px;
  color: var(--ink-2);
  margin: 9px 0 0;
  line-height: 1.6;
  min-height: 42px;
}
.tag {
  font-size: 11.5px;
  padding: 3px 9px;
  border-radius: 6px;
  background: #f1f4f9;
  color: var(--ink-2);
  border: 1px solid transparent;
}
.tag--ind { background: #eaf2fd; color: var(--brand-accent-d); }
.tag--scene { background: #eef4f9; color: #4b6a7a; }
.card__foot {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line-2);
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--ink-3);
}
.card__foot svg { width: 14px; height: 14px; color: var(--brand-accent); }
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(58,158,219,.28);
  transform: scale(0);
  animation: ripple .55s var(--ease);
  pointer-events: none;
}

/* ============ 空状态 ============ */
.empty {
  text-align: center;
  padding: 70px 20px;
  color: var(--ink-3);
}
.empty__icon { font-size: 40px; }
.empty__title { font-size: 18px; color: var(--ink-2); margin: 12px 0 4px; font-weight: 700; }
.empty__desc { font-size: 14px; margin: 0 0 18px; }
.empty .btn-reset { margin: 0 auto; }

/* ============ 分页 ============ */
.pagination {
  margin: 24px 0 6px;
}
.pagination__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}
.pagination__pages {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-btn {
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-2);
  font-size: 14px;
  transition: all .15s var(--ease);
}
.page-btn:hover:not(:disabled) { border-color: var(--brand-accent); color: var(--brand-accent); }
.page-btn.is-active {
  background: var(--brand-accent);
  border-color: var(--brand-accent);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(58,158,219,.3);
}
.page-btn:disabled { opacity: .45; cursor: not-allowed; }
.page-btn--dots { border: 0; background: transparent; cursor: default; }

/* ============ 页脚 ============ */
/* ============ 合规与效果声明 ============ */
.compliance {
  background: #f4f7fb;
  border-top: 1px solid #e7ecf3;
  padding: 26px 22px 22px;
}
.compliance__inner {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.compliance__row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.compliance__icon {
  flex: none;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(58,158,219,.12);
  color: var(--brand-accent-d);
  display: grid; place-items: center;
}
.compliance__icon svg { width: 18px; height: 18px; }
.compliance__line {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-2);
}

.footer {
  text-align: center;
  padding: 22px;
  font-size: 12.5px;
  color: var(--ink-3);
  background: var(--bg-page);
}

/* ============ 回到顶部 ============ */
.to-top {
  position: fixed;
  right: 28px; bottom: 28px;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 0;
  background: var(--brand-primary);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity .25s var(--ease), transform .25s var(--ease), background .2s;
  z-index: 50;
}
.to-top svg { width: 22px; height: 22px; }
.to-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.to-top:hover { background: var(--brand-accent); }

/* ============ 详情弹窗 ============ */
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; }
.modal[hidden] { display: none; }
.modal__mask {
  position: absolute; inset: 0;
  background: rgba(6,44,58,.62);
  backdrop-filter: blur(3px);
  animation: fade .2s var(--ease);
}
.modal__dialog {
  position: relative;
  width: min(1320px, 96vw);
  max-height: 92vh;
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  overflow: auto;
  animation: zoom .26s var(--ease);
  outline: 0;   /* 打开弹窗时焦点移到容器本身，不显示焦点环（关闭按钮仍保留键盘 Tab 焦点环） */
}
.modal__close {
  position: absolute;
  top: 14px; right: 14px;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 0;
  background: rgba(255,255,255,.9);
  color: var(--ink-2);
  display: grid; place-items: center;
  z-index: 30;   /* 必须高于连播倒计时遮罩(z-index:5)，否则移动端全宽弹窗下遮罩会盖住关闭按钮 */
  box-shadow: var(--shadow-sm);
  transition: background .15s, color .15s, transform .15s;
  outline: 0;    /* 去掉打开弹窗时 JS 程序 focus 触发的默认黑色焦点环 */
}
.modal__close svg { width: 18px; height: 18px; }
.modal__close:hover { background: #fff; color: var(--brand-accent); transform: rotate(90deg); }
/* 仅键盘 Tab 聚焦时显示品牌色焦点环（保留无障碍可见性，鼠标/程序 focus 不显示） */
.modal__close:focus-visible { outline: 2px solid var(--brand-primary); outline-offset: 2px; }

.modal__grid {
  display: grid;
  grid-template-columns: 68% 32%;
  grid-template-rows: 1fr;
  align-items: stretch;
  max-height: 88vh;
}
.modal__video-col {
  background: #082c3a;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  min-width: 0;
}
.video-stage {
  position: relative;
  flex: none;
  aspect-ratio: 16 / 9;
  background: #071820;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
}
.video-stage__el {
  width: 100%; height: 100%; object-fit: contain; background: #071820;
  -webkit-user-drag: none;   /* 禁止把视频拖出去保存 */
  user-select: none;         /* 禁止框选 */
}
.video-disclaimer {
  margin: 0;
  font-size: 11.5px;
  line-height: 1.55;
  color: rgba(255,255,255,.45);   /* 视频区是深青底，声明用浅灰弱化处理 */
}
.video-stage__ph {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 12px;
  color: rgba(255,255,255,.4);
  font-size: 14px;
}
.video-stage__ph svg {
  width: 54px; height: 54px;
  color: var(--brand-accent);
  opacity: .65;
}
.video-stage__ph.is-hidden { display: none; }

/* 视频加载遮罩：背景 = 该视频首帧 / 模型封面，中央转圈 */
.video-stage__loading {
  position: absolute; inset: 0; z-index: 2;
  display: flex; align-items: center; justify-content: center;
  background-color: #071820;
  background-size: cover; background-position: center;
}
.video-stage__loading::before {
  content: ""; position: absolute; inset: 0;
  background: rgba(7, 24, 32, .45);   /* 压暗背景图，突出转圈 */
}
.video-stage__loading::after {
  content: ""; position: relative; z-index: 1;
  width: 44px; height: 44px; border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, .22);
  border-top-color: var(--brand-accent);
  animation: vspin .8s linear infinite;
}
@keyframes vspin { to { transform: rotate(360deg); } }
.video-stage__loading.is-hidden { display: none; }

/* 连播倒计时遮罩：视频播完浮出，提示即将播放下一个 */
.next-countdown {
  position: absolute; inset: 0; z-index: 5;
  display: flex; align-items: center; justify-content: center;
  background: rgba(4, 12, 18, .72);
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
}
.next-countdown.is-hidden { display: none; }
.next-countdown__box { text-align: center; color: #fff; }
.next-countdown__tip { margin: 0 0 6px; font-size: 15px; color: rgba(255,255,255,.85); }
.next-countdown__name { margin: 0 0 14px; font-size: 13px; color: var(--brand-accent); }
.next-countdown__num {
  font-size: 56px; font-weight: 700; line-height: 1; margin-bottom: 18px;
  font-variant-numeric: tabular-nums;
}
.next-countdown__cancel {
  display: inline-block; padding: 8px 22px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.5); background: transparent;
  color: #fff; font-size: 14px; cursor: pointer;
  transition: background .15s, border-color .15s;
}
.next-countdown__cancel:hover { background: rgba(255,255,255,.12); border-color: #fff; }

/* 全屏按钮：叠在视频右上角，z-index 低于倒计时遮罩(5)，故倒计时时不挡提示 */
.video-stage__fs {
  position: absolute; top: 10px; right: 10px; z-index: 3;
  width: 36px; height: 36px; padding: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(7, 24, 32, .55);
  color: #fff; cursor: pointer;
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
  transition: background .15s, border-color .15s;
}
.video-stage__fs:hover { background: rgba(7, 24, 32, .8); border-color: rgba(255,255,255,.4); }
.video-stage__fs svg { width: 20px; height: 20px; pointer-events: none; }

/* 容器全屏时铺满屏幕、去掉圆角，倒计时遮罩作为子元素一并显示 */
.video-stage:fullscreen,
.video-stage:-webkit-full-screen {
  width: 100vw; height: 100vh;
  aspect-ratio: auto;
  border-radius: 0;
  background: #000;
}
.video-stage:fullscreen .video-stage__el,
.video-stage:-webkit-full-screen .video-stage__el {
  width: 100%; height: 100%; object-fit: contain;
}

.thumbs { display: flex; gap: 10px; flex-wrap: wrap; }
.thumb {
  position: relative;
  flex: 1 1 0;
  min-width: 96px;
  max-width: 180px;
  aspect-ratio: 16/9;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid transparent;
  background: #1a2740;
  background-size: cover;          /* 缩略图按钮以视频首帧为背景 */
  background-position: center;
  color: #fff;
  display: flex;
  align-items: flex-end;
  padding: 8px;
  font-size: 12px;
  transition: border-color .15s, transform .15s;
}
.thumb::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,.6));
}
.thumb span { position: relative; z-index: 1; }
.thumb:hover { transform: translateY(-2px); }
.thumb.is-active { border-color: var(--brand-accent); }

.modal__info-col {
  padding: 26px 24px;
  background: #fff;
}
.info-head { margin-bottom: 14px; }
.info-type {
  display: inline-block;
  font-size: 11.5px;
  color: var(--brand-accent-d);
  background: #eaf2fd;
  border: 1px solid #d4e3f8;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.info-title { margin: 0; font-size: 21px; font-weight: 800; color: var(--brand-primary); line-height: 1.3; }
.info-summary { font-size: 14px; color: var(--ink-2); margin: 0 0 18px; line-height: 1.7; }
.info-block { padding: 12px 0; border-top: 1px solid var(--line-2); }
.info-block__label {
  font-size: 12px;
  color: var(--ink-3);
  font-weight: 700;
  letter-spacing: .3px;
  margin-bottom: 7px;
  display: flex; align-items: center; gap: 7px;
}
.info-block__label::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand-gold);
}
.info-block__value { font-size: 14px; color: var(--ink); }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-row .tag { background: #f1f4f9; }
.info-detail { font-size: 13.5px; color: var(--ink-2); line-height: 1.85; margin: 0; }

/* ============ 动画 ============ */
@keyframes ripple { to { transform: scale(2.6); opacity: 0; } }
@keyframes pop { from { transform: scale(.85); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes zoom { from { opacity: 0; transform: translateY(14px) scale(.97); } to { opacity: 1; transform: none; } }
.card { animation: cardIn .35s var(--ease) both; }
@keyframes cardIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ============ 响应式 ============ */
@media (max-width: 1100px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 820px) {
  .layout { margin-top: 8px; }
  .chips { gap: 7px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .modal__grid { grid-template-columns: 1fr; grid-template-rows: auto; max-height: 92vh; overflow-y: auto; }
  .modal__video-col { padding: 16px; }
  .modal__video-col .video-stage { flex: none; aspect-ratio: 16 / 9; }
  .video-stage__fs { display: none; }   /* H5 下不提供全屏按钮：与关闭按钮重叠，且移动端无全屏倒计时需求 */
  .footer { padding: 18px 16px; }
  .footer__company,
  .footer__company-sub { line-height: 1.6; }
  /* H5 下公司声明强制两行：公司名 / 注册号，避免窄屏随机折行 */
  .footer__company { display: block; }
  .footer__company-sub { display: block; }
}
@media (max-width: 540px) {
  .topbar__inner { padding: 12px 16px; }
  .brand { flex-direction: row; align-items: center; gap: 10px; flex-wrap: wrap; }
  .search-band { padding: 28px 0 30px; }
  .search-band__title { font-size: 23px; }
  .search-band__inner, .layout, .topbar__inner { padding-left: 16px; padding-right: 16px; }
  .filters__row { flex-direction: column; align-items: flex-start; gap: 8px; min-height: auto; padding: 11px 0; }
  .filters__label { width: auto; }
  .chips { gap: 8px 10px; }
  .chip { min-height: 30px; padding: 5px 11px; }
  .grid { grid-template-columns: 1fr; }
  .results__bar { display: none; }
  .modal { padding: 0; }
  .modal__dialog { border-radius: 0; max-height: 100vh; }
  .to-top { right: 16px; bottom: 16px; }
  .footer { padding: 18px 16px; }
  /* 窄屏手机：声明较长，降一档字号以保证固定断成两行（桌面端不受影响） */
  .footer__company,
  .footer__company-sub { font-size: 11px; }
}